200-1000Pc M3 Thread Knurled Brass Threaded Heat Resistant Insert Embedment Nuts

100Pcs M4/M6 Metric Brass Cylinder Knurled Threaded Round Insert Embedment Nuts

100-1000PC M3 Thread Knurled Brass Threaded Set Heat Resistant Insert Embedment

200-1000Pc M3 Thread Knurled Brass Threaded Heat Resistant Insert Embedment Nuts

100pcs M3 Thread Knurled Brass Threaded Heat Set Heat Resistant Insert Embedment

M3 x 5mm(L) x 5.4mm(OD) Brass Knurled Threaded Insert Embedment Nuts, 40 Pcs

280 Pc M2 M2.5 M3 Female Thread Brass Knurled Threaded Insert Embedment Nuts Kit